dependencyContributionsFor function

List<Contribution> dependencyContributionsFor(Blueprint blueprint, Catalog catalog)

Expands a Blueprint's selections into catalog-declared regular dependency contributions.

devDependencies are deliberately excluded: composed dependencies flow into the Change Plan's single dependencies map (merged with the lock's direct deps), which is the regular dependency channel — routing build_runner / freezed there would mislabel them. The fixed recipe brick already declares the dev deps its codegen needs. A separate dev-dependency composition channel lands with pubspec-emission-from-composer (needs the per-capability bricks that don't exist yet — see plan_builder.dart's composedDependencies doc). ponytail: regular-only until a plan dev-dep channel exists.

Implementation

List<Contribution> dependencyContributionsFor(
  Blueprint blueprint,
  Catalog catalog,
) {
  final selections = <(String capabilityId, String optionId)>[
    for (final entry in blueprint.singleSelections.entries)
      (entry.key, entry.value),
    for (final entry in blueprint.multiSelections.entries)
      for (final optionId in entry.value) (entry.key, optionId),
  ];

  final contributions = <Contribution>[];
  for (final (capabilityId, optionId) in selections) {
    final catalogEntry = catalog.find(capabilityId, optionId);
    if (catalogEntry == null) continue; // unknown IDs are compatibility's job
    final recipeRef = catalogEntry.recipeRefs.isNotEmpty
        ? catalogEntry.recipeRefs.first
        : '$capabilityId.$optionId';
    for (final dependency in catalogEntry.dependencies) {
      contributions.add(
        Contribution(
          kind: ContributionKind.dependency,
          canonicalKey: dependency.name,
          content: dependency.version,
          sourceRecipeRef: recipeRef,
        ),
      );
    }
  }
  return contributions;
}